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<?php $achi = array( array( 'name', 'crit' ) ); array_push($achi, array('test', 'test2')); print_r($achi);
Output for 4.3.0 - 7.1.0
Array ( [0] => Array ( [0] => name [1] => crit ) [1] => Array ( [0] => test [1] => test2 ) )